Adjective

(er)

Similar to sauce; having the consistency or texture of sauce.

Impertinent or disrespectful, often in a way that is regarded as entertaining or amusing; smart.

* ~1603 , William Shakespeare, Othello, the Moor of Venice , Act I, scene I, line 143:

If this be known to you, and your allowance/ When we have done you bold and saucy wrongs.

She is a loud, saucy child who doesn't show a lot of respect to her elders.

Impudently bold; pert; piquant.

Mildly erotic.

My wife and I enjoyed the dancing, but she found it a little too saucy .

Adjective

(er)

Very bad or intense.

* {{quote-magazine, date=2012-01

, author=Donald Worster , title=A Drier and Hotter Future , volume=100, issue=1, page=70 , magazine= citation , passage=Phoenix and Lubbock are both caught in severe drought, and it is going to get much worse. We may see many such [dust] storms in the decades ahead, along with species extinctions, radical disturbance of ecosystems, and intensified social conflict over land and water. Welcome to the Anthropocene, the epoch when humans have become a major geological and climatic force.}}

Strict or harsh.

Sober, plain in appearance, austere.